init

package.json

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+{
+  "name": "crash-log-cordova-plugin",
+  "version": "1.0.0",
+  "description": "save crash info to log file.",
+  "cordova": {
+    "id": "crash-log-cordova-plugin",
+    "platforms": [
+      "android"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/shuto-cn/crash-log-cordova-plugin.git"
+  },
+  "keywords": [
+    "cordova",
+    "crash",
+    "log"
+  ],
+  "author": "shuto",
+  "license": "MIT"
+}

plugin.xml

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+<?xml version='1.0' encoding='utf-8'?>
+<plugin id="crash-log-cordova-plugin" version="1.0.0"
+  xmlns="http://apache.org/cordova/ns/plugins/1.0"
+  xmlns:android="http://schemas.android.com/apk/res/android">
+  <name>CrashLog</name>
+  <!-- js-module name="CrashLog" src="www/crash-log.js">
+    <clobbers target="CrashLog" />
+  </js-module -->
+  <platform name="android">
+    <config-file parent="/*" target="res/xml/config.xml">
+      <feature name="CrashLog">
+        <param name="android-package" value="cn.shuto.crash.CrashLogPlugin" />
+        <param name="onload" value="true" />
+      </feature>
+    </config-file>
+    <config-file target="AndroidManifest.xml" parent="/manifest">
+      <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    </config-file>
+
+    <source-file src="src/android/cn/shuto/crash/CrashLogPlugin.java" target-dir="src/cn/shuto/crash" />
+    <source-file src="src/android/cn/shuto/crash/CrashHandler.java" target-dir="src/cn/shuto/crash" />
+  </platform>
+</plugin>

src/android/cn/shuto/crash/CrashHandler.java

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+package cn.shuto.crash;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.os.Build;
+import android.os.Environment;
+import android.os.Looper;
+import android.util.Log;
+import android.widget.Toast;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.lang.Thread.UncaughtExceptionHandler;
+import java.lang.reflect.Field;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+public class CrashHandler implements UncaughtExceptionHandler {
+
+    public static final String TAG = "CrashHandler";
+
+    //系统默认的UncaughtException处理类
+    private Thread.UncaughtExceptionHandler mDefaultHandler;
+    //CrashHandler实例
+    private static CrashHandler INSTANCE = new CrashHandler();
+    //程序的Context对象
+    private Context mContext;
+    //用来存储设备信息和异常信息
+    private Map<String, String> infos = new HashMap<String, String>();
+
+    //用于格式化日期,作为日志文件名的一部分
+    private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
+
+    /** 保证只有一个CrashHandler实例 */
+    private CrashHandler() {
+    }
+
+    /** 获取CrashHandler实例 ,单例模式 */
+    public static CrashHandler getInstance() {
+        return INSTANCE;
+    }
+
+    /**
+     * 初始化
+     *
+     * @param context
+     */
+    public void init(Context context) {
+        mContext = context;
+        //获取系统默认的UncaughtException处理器
+        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
+        //设置该CrashHandler为程序的默认处理器
+        Thread.setDefaultUncaughtExceptionHandler(this);
+    }
+
+    /**
+     * 当UncaughtException发生时会转入该函数来处理
+     */
+    @Override
+    public void uncaughtException(Thread thread, Throwable ex) {
+        if (!handleException(ex) && mDefaultHandler != null) {
+            //如果用户没有处理则让系统默认的异常处理器来处理
+            mDefaultHandler.uncaughtException(thread, ex);
+        } else {
+            try {
+                Thread.sleep(1500);
+            } catch (InterruptedException e) {
+                Log.e(TAG, "error : ", e);
+            }
+            //退出程序
+            android.os.Process.killProcess(android.os.Process.myPid());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * 自定义错误处理,收集错误信息 发送错误报告等操作均在此完成.
+     *
+     * @param ex
+     * @return true:如果处理了该异常信息;否则返回false.
+     */
+    private boolean handleException(Throwable ex) {
+        if (ex == null) {
+            return false;
+        }
+        //使用Toast来显示异常信息
+        new Thread() {
+            @Override
+            public void run() {
+                Looper.prepare();
+                Toast.makeText(mContext, "很抱歉,程序出现异常,即将退出.", Toast.LENGTH_LONG).show();
+                Looper.loop();
+            }
+        }.start();
+        //收集设备参数信息
+        collectDeviceInfo(mContext);
+        //保存日志文件
+        saveCrashInfo2File(ex);
+        return true;
+    }
+
+    /**
+     * 收集设备参数信息
+     * @param ctx
+     */
+    public void collectDeviceInfo(Context ctx) {
+        try {
+            PackageManager pm = ctx.getPackageManager();
+            PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(), PackageManager.GET_ACTIVITIES);
+            if (pi != null) {
+                String versionName = pi.versionName == null ? "null" : pi.versionName;
+                String versionCode = pi.versionCode + "";
+                infos.put("versionName", versionName);
+                infos.put("versionCode", versionCode);
+            }
+        } catch (NameNotFoundException e) {
+            Log.e(TAG, "an error occured when collect package info", e);
+        }
+        Field[] fields = Build.class.getDeclaredFields();
+        for (Field field : fields) {
+            try {
+                field.setAccessible(true);
+                infos.put(field.getName(), field.get(null).toString());
+                Log.d(TAG, field.getName() + " : " + field.get(null));
+            } catch (Exception e) {
+                Log.e(TAG, "an error occured when collect crash info", e);
+            }
+        }
+    }
+
+    /**
+     * 保存错误信息到文件中
+     *
+     * @param ex
+     * @return  返回文件名称,便于将文件传送到服务器
+     */
+    private String saveCrashInfo2File(Throwable ex) {
+
+        StringBuffer sb = new StringBuffer();
+        for (Map.Entry<String, String> entry : infos.entrySet()) {
+            String key = entry.getKey();
+            String value = entry.getValue();
+            sb.append(key + "=" + value + "\n");
+        }
+
+        Writer writer = new StringWriter();
+        PrintWriter printWriter = new PrintWriter(writer);
+        ex.printStackTrace(printWriter);
+        Throwable cause = ex.getCause();
+        while (cause != null) {
+            cause.printStackTrace(printWriter);
+            cause = cause.getCause();
+        }
+        printWriter.close();
+        String result = writer.toString();
+        sb.append(result);
+        try {
+            long timestamp = System.currentTimeMillis();
+            String time = formatter.format(new Date());
+            String fileName = "crash-" + time + "-" + timestamp + ".log";
+            if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+                String path = "/sdcard/crash/";
+                File dir = new File(path);
+                if (!dir.exists()) {
+                    dir.mkdirs();
+                }
+                FileOutputStream fos = new FileOutputStream(path + fileName);
+                fos.write(sb.toString().getBytes());
+                fos.close();
+            }
+            return fileName;
+        } catch (Exception e) {
+            Log.e(TAG, "an error occured while writing file...", e);
+        }
+        return null;
+    }
+}

src/android/cn/shuto/crash/CrashLogPlugin.java

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+package cn.shuto.crash;
+
+import org.apache.cordova.CordovaInterface;
+import org.apache.cordova.CordovaPlugin;
+import org.apache.cordova.CordovaWebView;
+
+/**
+ * 应用崩溃日志文件插件
+ */
+public class CrashLogPlugin extends CordovaPlugin {
+
+  @Override
+  public void initialize(CordovaInterface cordova, CordovaWebView webView) {
+    super.initialize(cordova, webView);
+    CrashHandler crashHandler = CrashHandler.getInstance();
+    crashHandler.init(cordova.getContext());
+  }
+
+}

www/crash-log.js

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+var exec = require('cordova/exec');
+
+exports.coolMethod = function (arg0, success, error) {
+    exec(success, error, 'CrashLog', 'coolMethod', [arg0]);
+};